Clapper publicly comments, “We’ve already had some indications” of hacking on the computer networks of the two frontrunners in the presidential race. He warns, “We’ll probably have more.” He suggests the hackers could be working for foreign governments.

V. Miller Newton, who advises federal agencies on data security, says foreign spying on campaign sites is inevitable. “These campaigns are not working on encrypted platforms. It’s a matter of when, and how serious of an impact it is going to have on this election.” (The Associated Press, 5/18/2016)

It will later emerge that a hacking attack on the DNC [Democratic National Committee] was already discovered, in late April 2016, after staffers noticed unusual activity on the DNC’s computer network. (McClatchy Newspapers, 6/14/2016)